BR9915926A - Turbo code interleaver using congruent linear sequences - Google Patents
Turbo code interleaver using congruent linear sequencesInfo
- Publication number
- BR9915926A BR9915926A BR9915926-0A BR9915926A BR9915926A BR 9915926 A BR9915926 A BR 9915926A BR 9915926 A BR9915926 A BR 9915926A BR 9915926 A BR9915926 A BR 9915926A
- Authority
- BR
- Brazil
- Prior art keywords
- interleaver
- encoder
- congruent
- bits
- turbo code
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/27—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/27—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques
- H03M13/2789—Interleaver providing variable interleaving, e.g. variable block sizes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/27—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques
- H03M13/2703—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques the interleaver involving at least two directions
- H03M13/271—Row-column interleaver with permutations, e.g. block interleaving with inter-row, inter-column, intra-row or intra-column permutations
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/27—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques
- H03M13/275—Interleaver wherein the permutation pattern is obtained using a congruential operation of the type y=ax+b modulo c
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/27—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques
- H03M13/276—Interleaving address generation
- H03M13/2764—Circuits therefore
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/27—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques
- H03M13/2771—Internal interleaver for turbo codes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/29—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
- H03M13/2957—Turbo codes and decoding
Landscapes
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Error Detection And Correction (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Detection And Correction Of Errors (AREA)
Abstract
Patente de Invenção: "INTERCALADOR DE CóDIGO TURBO UTILIZANDO SEQUêNCIAS LINEARES CONGRUENTES". Um intercalador de código turbo (100) utilizando seq³ências congruentes lineares pode ser empregado como um intercalador bidimensional (16) em um turbo codificador (10) que inclui também primeiro e segundo codificadores constituintes (12, 14). O intercalador (16) e o primeiro codificador (12) estão, cada um, configurados para receber bits de alimentação. O primeiro codificador (12) produz símbolos de saída (22, 24) a partir dos mesmos. O intercalador (16) recebe os bits de alimentação (20) seq³encialmente por fileira. Um algoritmo recursivo de seq³ência linear congruente no interior do intercalador (16) serve para rearranjar, ou embaralhar, pseudo aleatoriamente os bits no interior de cada fileira do intercalador (16). Os bits (26) são a seguir emitidos a partir do intercalador seq³encialmente por coluna. O segundo codificador (14) está configurado para receber os bits intercalados provenientes do intercalador. O segundo codificador (14) produz símbolos de saída (28) a partir dos mesmos. As duas correntes de símbolos emitidos (22, 24) são multiplicadas, com o puncionamento (punching) adequado. Caso desejado, a seq³ência recursiva congruente linear pode ser gerada em reverso. Além disso, caso desejado, uma técnica de inversão de bits pode ser usada no intercalador (16) para rearranjar, ou embaralhar, as fileiras do intercalador (16).Invention Patent: "TURBO CODE INTERCALER USING CONGRUENT LINEAR SEQUENCES". A turbo code interleaver (100) using congruent linear sequences can be employed as a two-dimensional interleaver (16) in a turbo encoder (10) which also includes first and second constituent encoders (12, 14). The interleaver (16) and the first encoder (12) are each configured to receive feed bits. The first encoder (12) produces output symbols (22, 24) from them. The interleaver (16) receives the feed bits (20) sequentially per row. A congruent linear sequence recursive algorithm inside the interleaver (16) serves to randomly rearrange, or shuffle, pseudo bits within each row of the interleaver (16). The bits (26) are then output from the interleaver sequentially per column. The second encoder (14) is configured to receive the interleaved bits from the interleaver. The second encoder (14) produces output symbols (28) from them. The two streams of emitted symbols (22, 24) are multiplied, with the appropriate punching. If desired, the linear congruent recursive sequence can be generated in reverse. In addition, if desired, a bit inversion technique can be used on the interleaver (16) to rearrange, or scramble, the rows of the interleaver (16).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/205,511 US6304991B1 (en) | 1998-12-04 | 1998-12-04 | Turbo code interleaver using linear congruential sequence |
PCT/US1999/028580 WO2000035103A1 (en) | 1998-12-04 | 1999-12-03 | Turbo code interleaver using linear congruential sequences |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9915926A true BR9915926A (en) | 2002-01-15 |
Family
ID=22762490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9915926-0A BR9915926A (en) | 1998-12-04 | 1999-12-03 | Turbo code interleaver using congruent linear sequences |
Country Status (15)
Country | Link |
---|---|
US (2) | US6304991B1 (en) |
EP (2) | EP2267903A3 (en) |
JP (2) | JP4723089B2 (en) |
KR (1) | KR100711326B1 (en) |
CN (1) | CN1202625C (en) |
AU (1) | AU763873B2 (en) |
BR (1) | BR9915926A (en) |
CA (1) | CA2353455C (en) |
HK (1) | HK1045030B (en) |
ID (1) | ID30087A (en) |
MX (1) | MXPA01005573A (en) |
NO (1) | NO20012708L (en) |
RU (3) | RU2235424C2 (en) |
UA (1) | UA63024C2 (en) |
WO (1) | WO2000035103A1 (en) |
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1998
- 1998-12-04 US US09/205,511 patent/US6304991B1/en not_active Expired - Lifetime
-
1999
- 1999-03-12 UA UA2001063745A patent/UA63024C2/en unknown
- 1999-12-03 ID IDW00200101459A patent/ID30087A/en unknown
- 1999-12-03 KR KR1020017006971A patent/KR100711326B1/en active IP Right Grant
- 1999-12-03 RU RU2001118276/09A patent/RU2235424C2/en active
- 1999-12-03 CN CNB998140392A patent/CN1202625C/en not_active Expired - Lifetime
- 1999-12-03 JP JP2000587455A patent/JP4723089B2/en not_active Expired - Lifetime
- 1999-12-03 EP EP10009796A patent/EP2267903A3/en not_active Withdrawn
- 1999-12-03 BR BR9915926-0A patent/BR9915926A/en not_active IP Right Cessation
- 1999-12-03 AU AU19315/00A patent/AU763873B2/en not_active Ceased
- 1999-12-03 EP EP99962985A patent/EP1147614A1/en not_active Ceased
- 1999-12-03 RU RU2003107665/09A patent/RU2313177C2/en active
- 1999-12-03 CA CA002353455A patent/CA2353455C/en not_active Expired - Lifetime
- 1999-12-03 WO PCT/US1999/028580 patent/WO2000035103A1/en active IP Right Grant
- 1999-12-03 MX MXPA01005573A patent/MXPA01005573A/en active IP Right Grant
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2001
- 2001-06-01 NO NO20012708A patent/NO20012708L/en not_active Application Discontinuation
- 2001-08-20 US US09/933,979 patent/US6637000B2/en not_active Expired - Lifetime
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2002
- 2002-08-29 HK HK02106398.3A patent/HK1045030B/en not_active IP Right Cessation
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2007
- 2007-07-05 RU RU2007125429/09A patent/RU2376702C2/en active
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2011
- 2011-01-04 JP JP2011000262A patent/JP5394410B2/en not_active Expired - Lifetime
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MXPA01005573A (en) | 2002-06-04 |
NO20012708D0 (en) | 2001-06-01 |
KR20010080679A (en) | 2001-08-22 |
RU2376702C2 (en) | 2009-12-20 |
US6637000B2 (en) | 2003-10-21 |
WO2000035103A9 (en) | 2001-12-13 |
EP2267903A2 (en) | 2010-12-29 |
RU2313177C2 (en) | 2007-12-20 |
US6304991B1 (en) | 2001-10-16 |
AU1931500A (en) | 2000-06-26 |
HK1045030A1 (en) | 2002-11-08 |
HK1045030B (en) | 2005-10-07 |
US20020032890A1 (en) | 2002-03-14 |
RU2235424C2 (en) | 2004-08-27 |
ID30087A (en) | 2001-11-01 |
WO2000035103A1 (en) | 2000-06-15 |
KR100711326B1 (en) | 2007-04-27 |
EP1147614A1 (en) | 2001-10-24 |
JP2002532941A (en) | 2002-10-02 |
JP4723089B2 (en) | 2011-07-13 |
RU2007125429A (en) | 2009-01-10 |
UA63024C2 (en) | 2004-01-15 |
EP2267903A3 (en) | 2012-04-04 |
JP2011087329A (en) | 2011-04-28 |
CN1202625C (en) | 2005-05-18 |
CA2353455C (en) | 2009-05-19 |
AU763873B2 (en) | 2003-07-31 |
CN1357172A (en) | 2002-07-03 |
NO20012708L (en) | 2001-07-20 |
JP5394410B2 (en) | 2014-01-22 |
CA2353455A1 (en) | 2000-06-15 |
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